diff --git a/pom.xml b/pom.xml
index b08430d..ab5d8b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,6 +79,10 @@
             <groupId>com.baomidou</groupId>
             <artifactId>mybatis-plus-jsqlparser</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+        </dependency>
 
     </dependencies>
     <dependencyManagement>
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/config/ChatClientConfiguration.java b/snails-chat/src/main/java/com/hanserwei/chat/config/ChatClientConfiguration.java
index ca0d99f..6c5b481 100644
--- a/snails-chat/src/main/java/com/hanserwei/chat/config/ChatClientConfiguration.java
+++ b/snails-chat/src/main/java/com/hanserwei/chat/config/ChatClientConfiguration.java
@@ -3,6 +3,7 @@ package com.hanserwei.chat.config;
 import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatModel;
 import com.alibaba.cloud.ai.memory.redis.BaseRedisChatMemoryRepository;
 import com.alibaba.cloud.ai.memory.redis.LettuceRedisChatMemoryRepository;
+import com.hanserwei.chat.tools.AiDBTools;
 import jakarta.annotation.Resource;
 import org.springframework.ai.chat.client.ChatClient;
 import org.springframework.ai.chat.client.advisor.PromptChatMemoryAdvisor;
@@ -28,6 +29,8 @@ public class ChatClientConfiguration {
 
     @Resource
     private DashScopeChatModel dashScopeChatModel;
+    @Resource
+    private AiDBTools aiDBTools;
 
     @Bean
     public BaseRedisChatMemoryRepository redisChatMemoryRepository() {
@@ -51,6 +54,7 @@ public class ChatClientConfiguration {
     @Bean
     public ChatClient dashScopeChatClient(ChatMemory chatMemory) {
         return ChatClient.builder(dashScopeChatModel)
+                .defaultTools(aiDBTools)
                 .defaultAdvisors(PromptChatMemoryAdvisor.builder(chatMemory).build(), new SimpleLoggerAdvisor())
                 .build();
     }
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/controller/AiChatController.java b/snails-chat/src/main/java/com/hanserwei/chat/controller/AiChatController.java
new file mode 100644
index 0000000..1256208
--- /dev/null
+++ b/snails-chat/src/main/java/com/hanserwei/chat/controller/AiChatController.java
@@ -0,0 +1,36 @@
+package com.hanserwei.chat.controller;
+
+import com.hanserwei.chat.model.dto.ChatMessageDTO;
+import com.hanserwei.chat.model.vo.AIResponse;
+import jakarta.annotation.Resource;
+import org.springframework.ai.chat.client.ChatClient;
+import org.springframework.ai.chat.memory.ChatMemory;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import reactor.core.publisher.Flux;
+
+@RestController
+@RequestMapping("/ai")
+public class AiChatController {
+
+    @Resource
+    private ChatClient dashScopeChatClient;
+
+    @PostMapping(path = "/chat", produces = MediaType.TEXT_EVENT_STREAM_VALUE)
+    public Flux<AIResponse> chatWithAi(@RequestBody ChatMessageDTO chatMessageDTO) {
+
+        return dashScopeChatClient.prompt()
+                .user(chatMessageDTO.getMessage())
+                .advisors(p -> p.param(ChatMemory.CONVERSATION_ID, chatMessageDTO.getConversionId()))
+                .stream()
+                .chatResponse()
+                .mapNotNull(chatResponse -> AIResponse.builder()
+                        .v(chatResponse.getResult().getOutput().getText())
+                        .build());
+
+    }
+
+}
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/domain/dataobject/User.java b/snails-chat/src/main/java/com/hanserwei/chat/domain/dataobject/User.java
index 6ca919a..32e26c9 100644
--- a/snails-chat/src/main/java/com/hanserwei/chat/domain/dataobject/User.java
+++ b/snails-chat/src/main/java/com/hanserwei/chat/domain/dataobject/User.java
@@ -4,12 +4,13 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
-import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
 
 @Data
 @Builder
@@ -30,7 +31,8 @@ public class User {
     private Integer age;
 
     @TableField(value = "created_at")
-    private LocalDateTime createdAt;
+    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ssXXX")
+    private OffsetDateTime createdAt;
 
     @TableField(value = "is_active")
     private Boolean isActive;
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/model/dto/ChatMessageDTO.java b/snails-chat/src/main/java/com/hanserwei/chat/model/dto/ChatMessageDTO.java
new file mode 100644
index 0000000..56090d5
--- /dev/null
+++ b/snails-chat/src/main/java/com/hanserwei/chat/model/dto/ChatMessageDTO.java
@@ -0,0 +1,17 @@
+package com.hanserwei.chat.model.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class ChatMessageDTO {
+
+    private String message;
+
+    private Long conversionId;
+}
\ No newline at end of file
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/model/vo/AIResponse.java b/snails-chat/src/main/java/com/hanserwei/chat/model/vo/AIResponse.java
new file mode 100644
index 0000000..8823a69
--- /dev/null
+++ b/snails-chat/src/main/java/com/hanserwei/chat/model/vo/AIResponse.java
@@ -0,0 +1,15 @@
+package com.hanserwei.chat.model.vo;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class AIResponse {
+    // 流式响应内容
+    private String v;
+}
\ No newline at end of file
diff --git a/snails-chat/src/main/java/com/hanserwei/chat/tools/AiDBTools.java b/snails-chat/src/main/java/com/hanserwei/chat/tools/AiDBTools.java
new file mode 100644
index 0000000..193640c
--- /dev/null
+++ b/snails-chat/src/main/java/com/hanserwei/chat/tools/AiDBTools.java
@@ -0,0 +1,97 @@
+package com.hanserwei.chat.tools;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.hanserwei.chat.domain.dataobject.User;
+import com.hanserwei.chat.service.UserService;
+import jakarta.annotation.Resource;
+import org.springframework.ai.tool.annotation.Tool;
+import org.springframework.ai.tool.annotation.ToolParam;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+@Component
+public class AiDBTools {
+
+    @Resource
+    private UserService userService;
+
+    @Tool(name = "findAll", description = "查询所有用户")
+    public List<User> findAll() {
+        return userService.list();
+    }
+
+    @Tool(name = "findAllByIdIn", description = "根据id列表查询用户")
+    public List<User> findAllByIdIn(@ToolParam(description = "用户id列表") List<Long> ids) {
+        return userService.listByIds(ids);
+    }
+
+    @Tool(name = "findById", description = "根据id查询用户")
+    public User findById(Long id) {
+        return userService.getById(id);
+    }
+
+    @Tool(name = "findByName", description = "根据名称查询用户")
+    public User findByName(String name) {
+        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>(User.class)
+                .eq(User::getName, name);
+        return userService.getOne(queryWrapper);
+    }
+
+    @Tool(name = "findByNameLike", description = "根据名称模糊查询用户")
+    public List<User> findByNameLike(String name) {
+        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>(User.class)
+                .like(User::getName, name);
+        return userService.list(queryWrapper);
+    }
+
+    @Tool(name = "findByAge", description = "根据年龄查询用户")
+    public List<User> findByAge(Integer age) {
+        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>(User.class)
+                .eq(User::getAge, age);
+        return userService.list(queryWrapper);
+    }
+
+    @Tool(name = "findByAgeBetween", description = "根据年龄范围查询用户")
+    public List<User> findByAgeBetween(Integer start, Integer end) {
+        LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>(User.class)
+                .between(User::getAge, start, end);
+        return userService.list(queryWrapper);
+    }
+
+    // 插入 数据
+    @Tool(name = "insert",
+            description = """
+                    插入一个新的用户。
+                    需要一个用户对象作为参数，
+                    该对象必须包含以下字段：
+                    name (String), email (String), 和 age (Integer)。
+                    """)
+    public void insert(@ToolParam(description = "用户对象") User user) {
+        userService.save(user);
+    }
+
+    @Tool(name = "update",
+            description = """
+                    更新现有用户。需要一个用户对象作为参数，该对象 **必须包含用户 ID**，
+                    并携带要修改的字段，例如 name (String), email (String), 或 age (Integer)。
+                    """)
+    public void update(@ToolParam(description = "用户对象") User user) {
+        userService.updateById(user);
+    }
+
+    @Tool(name = "delete", description = "删除用户")
+    public void delete(Long id) {
+        userService.removeById(id);
+    }
+
+    //封禁
+    @Tool(name = "ban", description = "根据用户ID封禁用户。")
+    public void ban(@ToolParam(description = "用户id") Long id) {
+        userService.update(User.builder()
+                        .isActive(false)
+                        .build(),
+                new LambdaQueryWrapper<>(User.class)
+                        .eq(User::getId, id));
+    }
+}
diff --git a/snails-chat/src/main/resources/config/application.yml b/snails-chat/src/main/resources/config/application.yml
index 86c7b3e..04dbb8f 100644
--- a/snails-chat/src/main/resources/config/application.yml
+++ b/snails-chat/src/main/resources/config/application.yml
@@ -9,6 +9,9 @@ spring:
     name: snails-ai
   banner:
     location: config/banner.txt
+  jackson:
+    serialization:
+      write-dates-as-timestamps: false
   data:
     redis:
       host: localhost
@@ -25,7 +28,7 @@ spring:
           time-between-eviction-runs: 10000
   datasource:
     driver-class-name: org.postgresql.Driver
-    url: jdbc:postgresql://localhost:5432/postgres
+    url: jdbc:postgresql://localhost:5432/postgres?serverTimezone=Asia/Shanghai
     username: postgres
     password: postgressql
     # HikariCP 连接池配置